Full optical potential for the electron-hydrogen entrance channel

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Physical Review A, ISSN: 1050-2947, Vol: 40, Issue: 5, Page: 2820-2823

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Bray, Igor; Madison, Don H.; McCarthy, Ian E.
American Physical Society (APS)
Physics and Astronomy; Physics
article description
Differential and total elastic and total reaction cross sections are calculated for electron-hydrogen scattering at 30, 100, and 400 eV using an ab initio optical potential that treats bound and continuum nonelastic channels in the distorted-wave Born approximation. Multichannel and partial wave expansions are carried out to numerical convergence. Convergence criteria and quadratures for the continuum-energy integration are chosen for 1% overall accuracy. Results are compared with experiment and less detailed calculations. © 1989 The American Physical Society.